142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
// Copyright 2016 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdlib.h>
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#include <windows.h>
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#include <tlhelp32.h>
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#include "base/files/file_path.h"
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#include "base/logging.h"
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#include "base/strings/stringprintf.h"
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#include "client/crashpad_client.h"
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#include "gtest/gtest.h"
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#include "test/test_paths.h"
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#include "test/win/child_launcher.h"
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#include "util/file/file_io.h"
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#include "util/win/exception_codes.h"
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#include "util/win/scoped_handle.h"
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#include "util/win/xp_compat.h"
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namespace crashpad {
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namespace test {
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namespace {
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constexpr DWORD kCrashAndDumpTargetExitCode = 0xdeadbea7;
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bool CrashAndDumpTarget(HANDLE process) {
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DWORD target_pid = GetProcessId(process);
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ScopedFileHANDLE thread_snap(CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0));
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if (!thread_snap.is_valid()) {
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PLOG(ERROR) << "CreateToolhelp32Snapshot";
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return false;
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}
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THREADENTRY32 te32;
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te32.dwSize = sizeof(THREADENTRY32);
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if (!Thread32First(thread_snap.get(), &te32)) {
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PLOG(ERROR) << "Thread32First";
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return false;
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}
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do {
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if (te32.th32OwnerProcessID == target_pid) {
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// We set the thread priority of "Thread1" to a non-default value before
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// going to sleep. Dump and blame this thread. For an explanation of "9",
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// see https://msdn.microsoft.com/library/ms685100.aspx.
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if (te32.tpBasePri == 9) {
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ScopedKernelHANDLE thread(
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OpenThread(kXPThreadAllAccess, false, te32.th32ThreadID));
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if (!thread.is_valid()) {
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PLOG(ERROR) << "OpenThread";
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return false;
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}
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if (!CrashpadClient::DumpAndCrashTargetProcess(
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process, thread.get(), kCrashAndDumpTargetExitCode)) {
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return false;
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}
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return true;
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}
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}
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} while (Thread32Next(thread_snap.get(), &te32));
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LOG(ERROR) << "target not found";
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return false;
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}
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int CrashOtherProgram(int argc, wchar_t* argv[]) {
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CrashpadClient client;
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if (argc == 2 || argc == 3) {
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if (!client.SetHandlerIPCPipe(argv[1])) {
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LOG(ERROR) << "SetHandlerIPCPipe";
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return EXIT_FAILURE;
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}
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} else {
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fprintf(stderr, "Usage: %ls <server_pipe_name> [noexception]\n", argv[0]);
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return EXIT_FAILURE;
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}
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// Launch another process that hangs.
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base::FilePath test_executable = TestPaths::Executable();
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base::FilePath child_test_executable =
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test_executable.DirName().Append(L"hanging_program.exe");
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ChildLauncher child(child_test_executable, argv[1]);
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child.Start();
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if (testing::Test::HasFatalFailure()) {
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LOG(ERROR) << "failed to start child";
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return EXIT_FAILURE;
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}
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// Wait until it's ready.
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char c;
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if (!LoggingReadFileExactly(child.stdout_read_handle(), &c, sizeof(c)) ||
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c != ' ') {
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LOG(ERROR) << "failed child communication";
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return EXIT_FAILURE;
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}
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DWORD expect_exit_code;
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if (argc == 3 && wcscmp(argv[2], L"noexception") == 0) {
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expect_exit_code = ExceptionCodes::kTriggeredExceptionCode;
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if (!CrashpadClient::DumpAndCrashTargetProcess(
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child.process_handle(), 0, 0))
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return EXIT_FAILURE;
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} else {
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expect_exit_code = kCrashAndDumpTargetExitCode;
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if (!CrashAndDumpTarget(child.process_handle())) {
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return EXIT_FAILURE;
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}
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}
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DWORD exit_code = child.WaitForExit();
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if (exit_code != expect_exit_code) {
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LOG(ERROR) << base::StringPrintf(
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"incorrect exit code, expected 0x%lx, observed 0x%lx",
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expect_exit_code,
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exit_code);
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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} // namespace
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} // namespace test
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} // namespace crashpad
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int wmain(int argc, wchar_t* argv[]) {
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return crashpad::test::CrashOtherProgram(argc, argv);
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}
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